tolong jwbjjjjjjjjjjjkkkjjjkk
Matematika
mina75
Pertanyaan
tolong jwbjjjjjjjjjjjkkkjjjkk
1 Jawaban
-
1. Jawaban safiraaiueo
Jawab :
13) 2a(2a - 3) + 5a(a + 4)
= 4a² - 6a + 5a² + 20a
= 9a² + 14a (D)
14) 4x² - 5x - 21 = (2x - 3)(2x - 7)